diff --git a/tools/test-runner b/tools/test-runner
index 19272774..412998ba 100755
--- a/tools/test-runner
+++ b/tools/test-runner
@@ -770,7 +770,7 @@ class TestContext(Namespace):
 		self.start_process(['dbus-monitor', '--address', self.dbus_address])
 
 	def start_haveged(self):
-		self.start_process(['haveged'])
+		self.start_process(['haveged', '-F'])
 
 	def create_radios(self):
 		setup = self.hw_config['SETUP']